/* <title>XGServer</title>

   <abstract>Backend server using the X11.</abstract>

   Copyright (C) 2002-2015 Free Software Foundation, Inc.

   Author: Adam Fedor <fedor@gnu.org>
   Date: Mar 2002
   
   This file is part of the GNUstep Backend.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; see the file COPYING.LIB.
   If not, see <http://www.gnu.org/licenses/> or write to the 
   Free Software Foundation, 51 Franklin Street, Fifth Floor, 
   Boston, MA 02110-1301, USA.
*/

#ifndef _XGServer_h_INCLUDE
#define _XGServer_h_INCLUDE

#include "config.h"

#include <GNUstepGUI/GSDisplayServer.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "x11/XGGeneric.h"

#ifdef HAVE_X11_EXTENSIONS_SYNC_H
#include <X11/extensions/sync.h>
#endif
/*
 * Enumerated type to say how we should draw pixels to the X display - used
 * to select different drawing mechanisms to try to optimise.
 */
typedef enum {
  XGDM_FAST15,
  XGDM_FAST16,
  XGDM_FAST32,
  XGDM_FAST32_BGR,
  XGDM_FAST8,
  XGDM_PORTABLE
} XGDrawMechanism;

typedef struct MonitorDevice {
  int screen_id;
  NSWindowDepth depth;
  NSSize resolution;
  NSRect frame;
} MonitorDevice;

@interface XGServer : GSDisplayServer
{
  Display *dpy;
  int defScreen;
  NSSize xScreenSize;
  NSMapTable *screenList;
  Window grabWindow;
  struct XGGeneric generic;
  id inputServer;
  int randrEventBase;
  int randrErrorBase;
  MonitorDevice *monitors;
  unsigned monitorsCount;
}

+ (Display *)xDisplay;
- (Display *)xDisplay;
- (Window)xDisplayRootWindow;
- (Window)xAppRootWindow;
- (NSSize)xScreenSize;

- (void *)screenRContext;
- (Visual *)screenVisual;
- (int)screenDepth;
- (XGDrawMechanism)screenDrawMechanism;

- (void)getForScreen:(int)screen_number
         pixelFormat:(int *)bpp_number
               masks:(int *)red_mask
                    :(int *)green_mask
                    :(int *)blue_mask;
- (XColor)xColorFromColor:(XColor)color;

+ (void)waitAllContexts;

@end

/*
 * Synchronize with X event queue - soak up events.
 * Waits for up to 1 second for event.
 */
@interface XGServer (XSync)
- (BOOL)xSyncMap:(void *)window;
@end

@interface XGServer (XGGeneric)
- (NSRect)_OSFrameToXFrame:(NSRect)o for:(void*)window;
- (NSRect)_OSFrameToXHints:(NSRect)o for:(void*)window;
- (NSRect)_XFrameToOSFrame:(NSRect)x for:(void*)window;
- (NSRect)_XFrameToXHints:(NSRect)o for:(void*)window;

- (NSString *)windowManagerName;
@end

// Public interface for the input methods.
@interface XGServer (InputMethod)
- (NSString *)inputMethodStyle;
- (NSString *)fontSize:(int *)size;
- (BOOL)clientWindowRect:(NSRect *)rect;

- (BOOL)statusArea:(NSRect *)rect;
- (BOOL)preeditArea:(NSRect *)rect;
- (BOOL)preeditSpot:(NSPoint *)p;

- (BOOL)setStatusArea:(NSRect *)rect;
- (BOOL)setPreeditArea:(NSRect *)rect;
- (BOOL)setPreeditSpot:(NSPoint *)p;
@end

@interface XGServer (TimeKeeping)
- (void)setLastTime:(Time)last;
- (Time)lastTime;
@end

#endif /* _XGServer_h_INCLUDE */
